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Holley 0-4777S | Carburetor
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Holley 0-4777S | Carburetor

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$629.95
Part Number
HOL0-4777S
Condition:
New
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Description

The Ultra Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061–T6 billet aluminum. Three different anodized color options (Red, Blue, or Black) allow for a personalized look while maintaining the ultra high strength and durability you get from billet. They weigh in at approximately 5 lbs less than a comparable zinc carburetor. The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre–set electric choke for easy, fast cold start–ups. The clean, polished look coupled with Red, Blue, or Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track. Dont trust your performance to just anyone, Holley is the only Modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60s.

BRAND: Holley

FEATURES:

  • Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
  • Mechanical Secondaries For Awesome Tire Turning Performance
  • Optimized Street/Strip Calibration That Works Out Of The Box
  • Shiny Finish For Good Looks
  • Manual Choke Mechanical Secondaries
  • 100% Wet-Flow Tested To Assure It Arrives Ready To Run
  • Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
  • Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
  • Double Pumper Carburetor
  • Double Pumper Carburetor; Shiny Finish; 4 bbl; 650 cfm; Model 4150; Manual Choke; Mech. Secondary; Dual Fuel Inlet; Gasoline;
  • Manual Choke For Precise Cold Start Control
  • Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
  • Street/Strip Carbs

SPECIFICS:

BarrelFour
Booster TypeStraight
Carburetor Type4150
CFM650
ChokeManual
EmissionWithout EGR
FinishShiny
FlangeSquare Bore
Fuel InletDual
Fuel TypeGasoline
MaterialZinc
Primary Main Jet67
Primary Power Valve6.5
Secondary Main Jet73
Secondary Pump Nozzle Size28
Secondary TypeMechanical
Supercharged ApplicationNo
Throttle Bore1.688 in.
TypeAutomotive
UsageStreet/Strip
Vacuum Port Quantity1 timed (spark); 1 full; 1 PCV
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warning.ca.gov

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Attributes
Product type:
Aftermarket



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